Product Group:Valves

Valves - SFVWD Description:
Main functions and features:
Fuse Action at 70 ℃, valves shut down automatically
Manual closed and opened, the opening angle is not adjustable
Closed signal outputs to chain-closed ventilation equipment
Specifications (L * W * H): 250 * 150 * 1500 ~ 2000 * 1250 ** 250 mm
Structure:
Valve, bushings, control unit
Technical parameters:
Temperature sensor movements at 70 ℃
Refractory time: 1.5 hours
Air volume: 290 CBM / H * SM standard state
Full drag coefficient at: <0.4